Improvement in trunk-corners



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Letters Patent- No. 75,200,- dated .M'arch 3, 1868.

IMPROVEMENT IN TRUNK-CORNERS.

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T0 ALLIWHOM. IT MAY CONCERN:

Be it known that I, E. A. G. RQULSIONE, of Roxbury, inthe county of Norfolk, and State of Massachu- Betts, have invented an Improved Metal Corner for Travelling-Trunks, &c.; and I do hereby declare that the following, taken in connection "with the drawing which accompany and form partof this specification, is a-description of myinvention sufiicient to enable those skilled in the art to practise it. i

'The invention relates to the manufactui'e'of that class of metal corners or mouldings for travelling=trunl s, in which each corner is'forrned from astrip of metal, first bent right-angularly. along its whole length, and then bent at the corner, so that one end stands at a right angle with the opposite one. i

- In forming such corners the custom has been to take a strip of plate metal, of proper length and width, to first bend it along its whole length, so that one edge stands right-angnla-r lyto the other, to then beat the metal at the poiht where thecorner is to be formed, to then bend the metalat this point, and to upset the metal, as it buokles up or laps, with a hammer. I 7 7 This construction is very expensive andoften impracticable, and the object of my invention has been to make the corner of one piece of-metal, cut out at the corner, without any swaging, hammering, or manipulation' of the metal, other than to ineise andbend'it, and to secure'thepart s in bent position.

The drawings represent a metal corner made imaccord'ance with my invention- A showing the formed corner in perspective; B, nreversed plan of the corne'r,.showing a reinforcement riveted to the metal; 0, a cross-section on the line a: 21. The strip of metal while in a plane-ox" plate-form, has a piece cut out at one edge, at that part where the. corner is to be turned, as seen at a, The metal is then bent along its whole length, so that the parts 6 0 have the desired relative right-angular disposition, Then the part c is bent, as seen at d, without requiring or producing any distortion of the metal in the part6, the tail-pieces e e being so formed by the incision and cutting away of the metal, as either to make a butt-joint or to lap, or to have a space left between them, -and at their outer edges, as seen at A and B, in which latter case,,or when the edges are cut to allow the bend, a r inforeing corner-piece,f, may be riveted t0 the'part b, asshown. The

cut maybe square, or of any other shape, and when the tail-pieces lap, they maybe riveted together, '01- secured by brazing or solder. A strengthening wire, 9, may be placed in the angle made by the parts 6 0.

These details, however, are not of the essence of my present invention, the gist of which is' tosocht the metal, (when the corner is to be formed of one piece of metal,) as to enable the part c, (after the parts 6 and c havebeen bent right-angularly,) to be bent without distort-ion, compression, or working of themeta'l in the part c, at the corner orpoint where the bend is made, such method enabling me to produce such metal corners expeditionsly, and without heating the metal.

I claim a-nietal' cornerfor travelling-trunks, inwhich the metal is cut-away or incised to form the corner,-

zubstantially as set forth. I

E. A. G. ROULSTONE.

Witnesses:

Fnmcrs GOULD, J. B. Cnossr. 

